The process to remove caffeine from coffee beans using water was first developed in Switzerland in the 1930s, but was only trademarked as the Swiss Water Process in the '80s by a company in Vancouver, British Columbia.
How to Grow Primrose Flower Plants. Primrose is a hardy perennial flower, that includes a wide range of varieties. Primrose is native to Asia, Europe, and North America. In North America, they originally were found from the Midwest to the Northwest areas of the U.S.
Sow primrose seeds between late summer and early spring. Primula, or primrose, is a perennial herb plant hardy in U.S. Department of Agriculture zones 5 through 9. The plants do well in cool temperatures with rich soil and can be grown in gardens, woodland areas, flower beds and greenhouses.Cultivation of primrose is typically done through root division and transplant or germination from seeds. Seeds can be harvested from existing plants or obtained from nurseries.The seeds are very small and a time investment is needed to complete the germination process.he plants do well in cool temperatures with rich soil and can be grown in gardens, woodland areas, flower beds and greenhouses. Cultivation of primrose is typically done through root division and transplant or germination from seeds. Seeds can be harvested from existing plants or obtained from nurseries.